studyguide_ch2 - AND student-centered Note the differences...

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PROFESSOR'S STUDY GUIDE: Musical Acoustics, by Donald E. Hall, 3rd edition, (Brooks/Cole, 2002). Phys 1240 (Prof. Holland, Sp08) CHAPTER 2: Here's what I would say if I was just being superficial/using the textbook: Waves and vibrations, waveforms, simple harmonic oscillators, work/energy. Here's what I would have said if trying to be more specific: Interpret graphical representations of wave as "waveform" Define simple harmonic motion (SHM), understand graphs of displacement vs time or vs space. (Go back to definitions of wavelength, frequency and amplitude for SHM) Know basic definition of "resonance" Here's what I say when trying to be specific, operational,
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Unformatted text preview: AND student-centered. Note the differences! When looking at a waveform on an oscilloscope screen, describe what the sound SOUNDS like (pitch? loudness? Is it a tone, or noise?) A mass wiggles on the end of a spring. Represent the motion in words and graphs. Predict the tone you'll hear if it's vibrating in air. How would changing the stiffness of the spring, or the weight of the object, change the tone? Predict what would happen if you start jiggling the spring. How can you make the motion get VERY strong (and correspondingly, make the sound it produces nice and loud?)...
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